<http://schema.org/thumbnailURL>
"http://d28hgpri8am2if.cloudfront.net/book_images/cvr9780684835709_9780684835709_th.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.simonandschuster.com/books/Fields-Without-Dreams/Victor-Davis-Hanson/9780684835709>